ABB 1SDA068218R1 XT3S 250 TMD 125-1250 3p F F moulded case circuit breaker, a 125 A three-pole fixed MCCB with front terminals and thermomagnetic release for low-voltage circuit protection.
£626.27
The ABB 1SDA068218R1 is a reliable moulded case circuit breaker (MCCB) from the ABB Tmax XT range, designed to protect low-voltage electrical circuits in industrial and commercial installations. Identified as XT3S 250 TMD 125-1250 3p F F, this three-pole breaker provides robust overload and short-circuit protection in a compact fixed format.
This ABB Tmax XT3S circuit breaker is suitable for distribution boards, switchboards, machinery panels and control systems requiring dependable circuit protection. Its fixed three-pole construction, front terminals and thermomagnetic TMD release make it a practical choice for panel builders, electrical contractors and maintenance teams working with three-phase power systems.
With a rated current of 125 A and a short-circuit breaking capacity of up to 50 kA at 415 V AC, the 1SDA068218R1 delivers strong protection performance for demanding low-voltage applications. The TMD release provides thermal overload protection and magnetic short-circuit protection, helping maintain safe and reliable electrical operation.
Moulded case circuit breakers such as the ABB 1SDA068218R1 are used to protect electrical installations from overload and short-circuit faults. When abnormal current conditions occur, the breaker disconnects the circuit to help protect cables, switchgear, machinery and connected equipment.
The ABB Tmax XT range is widely used across industrial and commercial power distribution systems where compact design, dependable protection and proven performance are required. The XT3S 250 frame provides strong breaking capacity and practical installation features for modern low-voltage electrical panels.
| Current | 125 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | Tmax XT |
| Model | XT3S 250 TMD 125-1250 3p F F |
| Product ID | 1SDA068218R1 |
| Product type | Moulded case circuit breaker |
| Frame size | XT3S 250 |
| Rated current | 125 A |
| Number of poles | 3 pole |
| Release type | TMD thermomagnetic |
| Magnetic trip setting | 1250 A |
| Breaking capacity | 50 kA at 415 V AC |
| Rated voltage | up to 690 V AC |
| Rated frequency | 50 / 60 Hz |
| Mounting type | Fixed |
| Terminal type | Front terminals |
| Protection rating | IP20 |
| Standard | IEC 60947-2 |
| HS Code | 85362090 |
| Country of Manufacture | Italy |
The ABB 1SDA068218R1 is used to protect three-phase low-voltage electrical circuits against overloads and short circuits in industrial and commercial installations.
It is an ABB Tmax XT3S moulded case circuit breaker with a fixed three-pole design and front terminals.
The 1SDA068218R1 has a rated current of 125 A.
This MCCB uses a TMD thermomagnetic release, providing thermal overload protection and magnetic short-circuit protection.
It is typically installed in electrical panels, switchboards, distribution boards, machinery control panels and low-voltage power distribution systems.
ABB Tmax XT moulded case circuit breakers are trusted by panel builders, contractors and maintenance engineers for dependable low-voltage circuit protection across industrial and commercial electrical installations.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...